Tattoo machine battery power supply



FIG. 1 is an isometric view of a tattoo machine battery power supply in accordance with the present invention.

FIG. 2 is a left side elevational view thereof.

FIG. 3 is a right side elevational view thereof, which is a mirror image of the left side.

FIG. 4 is a bottom plan view thereof.

FIG. 5 is a top plan view thereof.

FIG. 6 is a front elevational view thereof.

FIG. 7 is a rear elevational view thereof; and,

FIG. 8 is an isometric view of a tattoo machine battery power supply connected to a tattoo machine.

The broken lines in the drawings illustrate environmental structure and portions of the article that form no part of the claimed design. 

CLAIM The ornamental design for a tattoo machine battery power supply, as shown and described. 